What is CVE-2020-16956?

CVE-2020-16956 is a cross-site scripting vulnerability that exists in Microsoft Dynamics 365 (on-premises) when a specially crafted web request is not properly sanitized.

How does CVE-2020-16956 affect Microsoft Dynamics 365?

CVE-2020-16956 can allow an attacker to execute arbitrary scripts in the context of the user's browser, potentially leading to unauthorized actions or access to sensitive information.

What is the severity of CVE-2020-16956?

The severity of CVE-2020-16956 is medium with a CVSS score of 5.4.

Which versions of Microsoft Dynamics 365 are affected by CVE-2020-16956?

Microsoft Dynamics 365 versions 8.2 and 9.0 are affected by CVE-2020-16956.

Is there a fix available for CVE-2020-16956?

Yes, Microsoft has released a security update to address the cross-site scripting vulnerability in Microsoft Dynamics 365.

Vulnerability/
CVE-2020-16956

medium

5.4

CWE

16/10/2020

4/8/2024

CVE-2020-16956: Microsoft Dynamics 365 (On-Premise) Cross Site Scripting Vulnerability

First published: Fri Oct 16 2020(Updated: )

A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server, aka 'Microsoft Dynamics 365 (On-Premise) Cross Site Scripting Vulnerability'. This CVE ID is unique from CVE-2020-16978.

Credit: secure@microsoft.com secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Dynamics 365	=8.2
Microsoft Dynamics 365	=9.0

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16956

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16956

Frequently Asked Questions

What is CVE-2020-16956?
CVE-2020-16956 is a cross-site scripting vulnerability that exists in Microsoft Dynamics 365 (on-premises) when a specially crafted web request is not properly sanitized.
How does CVE-2020-16956 affect Microsoft Dynamics 365?
CVE-2020-16956 can allow an attacker to execute arbitrary scripts in the context of the user's browser, potentially leading to unauthorized actions or access to sensitive information.
What is the severity of CVE-2020-16956?
The severity of CVE-2020-16956 is medium with a CVSS score of 5.4.
Which versions of Microsoft Dynamics 365 are affected by CVE-2020-16956?
Microsoft Dynamics 365 versions 8.2 and 9.0 are affected by CVE-2020-16956.
Is there a fix available for CVE-2020-16956?
Yes, Microsoft has released a security update to address the cross-site scripting vulnerability in Microsoft Dynamics 365.

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